Aquifer

B

Basin

An area of land that drain into a river or ocean

Boil-water-advisory

A public notice issued by a provincial or local health authority informing the users of a public water system that their drinking water is, or potentially is, unsafe microbiologically and that it should be boiled before use. To kill water pathogens, water should be brought to a rolling boil for one minute, then allowed to cool (protected from further contamination) before consumption.

Seepage

Slough

1. A muddy or marshy area
2. A type of swamp or shallow lake system, typically formed as or by the backwater of a larger waterway, similar to a bayou with trees
3. A secondary channel of a river delta, usually flushed by the tide